New GTX4508R dual ball bearing turbo with ultra high flow compressor wheel featuring Garrett 11-Blade billet compressor wheel technology.  Compressor housing is GTX45 style with 6″ inlet (or optional 5″) and 3″ outlet but has built in anti-surge machining. Improved ported shroud design for Surge Resistance. Sold as Supercore with optional Turbine Housing. New fully machined Speed Sensor Port.  ** This turbo uses a 6″ inlet compressor housing which is very difficult to fit most installations. Be sure to check with your manifold mfg before purchasing to ensure fitment! This turbo WILL NOT FIT on our 2JZ-GTE manifold.  There is a special order 5″ inlet compressor housing available as an option if needed**

Compressor Specifications

• Compressor Wheel Exducer: 108mm
• Compressor Wheel Inducer: 80mm
• Compressor Wheel Trim: 55
• Compressor Wheel A/R: 0.69 A/R
• Max Flow Rate: 128 lb/min
• Max Recommended Turbo Shaft Speed: 100000 RPM
• Compressor Housing Connections:
  • Inlet: 6.0″ Hose Coupler (or Optional 5″ Hose Coupler w/ Smaller Compressor Housing)
  • Outlet: 3″ V-Band

Turbine Specifications

• Turbine Wheel Exducer: 80mm
• Turbine Wheel Inducer: 87mm
• Turbine Wheel Trim: 85
• Housing Size and A/R ratio: GTX4508R is available in four (4) different turbine housing configurations:
  • 1.01 A/R T4 Twin Scroll Inlet, V-Band Outlet
  • 1.15 A/R T4 Twin Scroll Inlet, V-Band Outlet
  • 1.28 A/R T4 Twin Scroll Inlet, V-Band Outlet
  • 1.44 A/R T4 Twin Scroll Inlet, V-Band Outlet

Note: GTX turbos use same turbine housing as GT turbos and turbine housings are sold separately. This GTX model as uses all the same oil and coolant fittings at the standard GT42R/GT45R turbos

Compressor Map